This document discusses how Premier League clubs can use existing and emerging technologies like mobile apps and WiFi in stadiums to increase fan engagement and generate new revenue streams. It outlines the current landscape of technology use in stadiums and risks of not adopting new technologies. Case studies show how stadium apps at other clubs increased ticket and merchandise sales. The document recommends Premier League clubs create strategic stadium apps that offer services fans want like replays, stats and voting to boost direct revenue from partnerships, concessions and merchandise, as well as indirect revenue from increased brand exposure and rent.